[PATCH] D113242: Adding a key_type definition to MapVector

[Kevin Cadieux via Phabricator via llvm-commits]

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The key_type type definition for map containers is useful in some generic, template-based programming scenarios. The addition of key_type to MapVector is consistent with other map types like DenseMap.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113242

Files:
  llvm/include/llvm/ADT/MapVector.h


Index: llvm/include/llvm/ADT/MapVector.h
===================================================================
--- llvm/include/llvm/ADT/MapVector.h
+++ llvm/include/llvm/ADT/MapVector.h
@@ -43,6 +43,7 @@
       "The mapped_type of the specified Map must be an integral type");
 
 public:
+  using key_type = KeyT;
   using value_type = typename VectorType::value_type;
   using size_type = typename VectorType::size_type;
 


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